Evaporator



FIG. 1 is a front perspective view of an evaporator showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a side elevation view thereof;

FIG. 4 is top plan view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is an opposite side elevation view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a rear perspective view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

I claim, the ornamental design for an evaporator, as shown and described. 